Printer Plugin für iOS funktioniert für cordova 3.x

plugin.xml

@@ -15,7 +15,7 @@
 
         <config-file target="config.xml" parent="/*">
 		<feature name="Printer">
-			<param name="ios-package" value="CDVPlugin"/>
+			<param name="ios-package" value="CDVPrinter"/>
 		</feature>
         </config-file>
 

src/ios/CDVPrinter.h

@@ -1,38 +1,33 @@
-//
+/**
-//  PrintPlugin.h
+ *  Printer.m
-//  Print Plugin
+ *  Cordova Printer Plugin
-//
+ *
-//  Created by Ian Tipton (github.com/itip) on 02/07/2011.
+ *  Created by Sebastian Katzer (github.com/katzer) on 10/08/2013.
-//  Copyright 2011 Ian Tipton. All rights reserved.
+ *  Copyright 2013 Sebastian Katzer. All rights reserved.
-//  MIT licensed
+ *  GPL v2 licensed
-//
+ */
 
 #import <Foundation/Foundation.h>
 #import <Cordova/CDVPlugin.h>
 
 
 @interface CDVPrinter : CDVPlugin {
-    NSString* successCallback;
-    NSString* failCallback;
-    NSString* printHTML;
 
-    //Options
-    NSInteger dialogLeftPos;
-    NSInteger dialogTopPos;
 }
 
-@property (nonatomic, copy) NSString* successCallback;
+// Prints the content
-@property (nonatomic, copy) NSString* failCallback;
+- (void) print:(CDVInvokedUrlCommand*)command;
-@property (nonatomic, copy) NSString* printHTML;
+// Find out whether printing is supported on this platform
-
+- (void) isServiceAvailable:(CDVInvokedUrlCommand*)command;
-//Print Settings
+
-@property NSInteger dialogLeftPos;
+@end
-@property NSInteger dialogTopPos;
+
-
+
-//Print HTML
+@interface CDVPrinter (Private)
-- (void) print:(NSMutableArray*)arguments withDict:(NSMutableDictionary*)options;
+
-
+// Bereitet den Drucker-Kontroller vor
-//Find out whether printing is supported on this platform.
+- (UIPrintInteractionController *) prepareController:(NSString*)content;
-- (void) isPrintingAvailable:(NSMutableArray*)arguments withDict:(NSMutableDictionary*)options;
+// Überprüft, ob der Drucker-Dienst verfügbar ist
+- (BOOL) isPrintServiceAvailable;
 
 @end

src/ios/CDVPrinter.m

@@ -1,136 +1,119 @@
-//
+/**
-//  PrintPlugin.m
+ *  Printer.m
-//  Print Plugin
+ *  Cordova Printer Plugin
-//
+ *
-//  Created by Ian Tipton (github.com/itip) on 02/07/2011.
+ *  Created by Sebastian Katzer (github.com/katzer) on 10/08/2013.
-//  Copyright 2011 Ian Tipton. All rights reserved.
+ *  Copyright 2013 Sebastian Katzer. All rights reserved.
-//  MIT licensed
+ *  GPL v2 licensed
-//
+ */
 
 #import "CDVPrinter.h"
 
-@interface CDVPrinter (Private)
--(void) doPrint;
--(void) callbackWithFuntion:(NSString *)function withData:(NSString *)value;
-- (BOOL) isPrintServiceAvailable;
-@end
 
 @implementation CDVPrinter
 
-@synthesize successCallback, failCallback, printHTML, dialogTopPos, dialogLeftPos;
-
 /*
- Is printing available. Callback returns true/false if printing is available/unavailable.
+ * Is printing available.
+ * Callback returns true/false if printing is available/unavailable.
  */
-- (void) isPrintingAvailable:(NSMutableArray*)arguments withDict:(NSMutableDictionary*)options{
+- (void) isServiceAvailable:(CDVInvokedUrlCommand*)command {
-    NSUInteger argc = [arguments count];
+    CDVPluginResult *pluginResult = nil;
 
-	if (argc < 1) {
+    pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK
-		return;	
+                                    messageAsBool:[self isPrintServiceAvailable]];
-	}
-    
-    
-    NSString *callBackFunction = [arguments objectAtIndex:0];
-    [self callbackWithFuntion:callBackFunction withData:
-            [NSString stringWithFormat:@"{available: %@}", ([self isPrintServiceAvailable] ? @"true" : @"false")]];
 
+    [self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
 }
 
-- (void) print:(NSMutableArray*)arguments withDict:(NSMutableDictionary*)options{
+/**
-    NSUInteger argc = [arguments count];
+ * Öffnet den Drucker-Kontroller zur Auswahl des Druckers.
+ * Callback gibt Meta-Informationen an.
+ */
+- (void) print:(CDVInvokedUrlCommand*)command {
+    NSArray         *arguments    = [command arguments];
+    CDVPluginResult *pluginResult = nil;
+
+    if (![self isPrintServiceAvailable]) {
+        pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR
+                                        messageAsString:@"{success: false, available: false}"];
+
+        [self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
 
-	if (argc < 1) {
         return;
     }
-    self.printHTML = [arguments objectAtIndex:0];
 
-    if (argc >= 2){
+    if ([arguments count] == 0) {
-        self.successCallback = [arguments objectAtIndex:1];
+        pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR
+                                        messageAsString:@"{success: false, available: true}"];
+
+        [self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
+
+        return;
     }
 
-    if (argc >= 3){
+    NSString                     *content    = [arguments objectAtIndex:0];
-        self.failCallback = [arguments objectAtIndex:2];
+    UIPrintInteractionController *controller = [self prepareController:content];
+
+    void (^completionHandler)(UIPrintInteractionController *, BOOL, NSError *) =
+    ^(UIPrintInteractionController *printController, BOOL completed, NSError *error) {
+        CDVPluginResult *pluginResult = nil;
+
+        if (!completed || error) {
+            NSString *result = [NSString stringWithFormat:@"{success: false, available: true, error: \"%@\"}", error.localizedDescription];
+
+            pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR
+                                            messageAsString:result];
+
+        } else {
+            pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK
+                                            messageAsString:@"{success: true, available: true}"];
         }
 
-    if (argc >= 4){
+        [self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
-        self.dialogLeftPos = [[arguments objectAtIndex:3] intValue];
+    };
-    }
-    
-    if (argc >= 5){
-        self.dialogTopPos = [[arguments objectAtIndex:4] intValue];
-    }
-    
-    
-    
-    
-    [self doPrint];
 
+    [controller presentAnimated:YES completionHandler:completionHandler];
 }
 
-- (void) doPrint{
+/**
-    if (![self isPrintServiceAvailable]){
+ * Bereitet den Drucker-Kontroller vor.
-        [self callbackWithFuntion:self.failCallback withData: @"{success: false, available: false}"];
+ *
-        
+ * @param {NSString} content Der zu druckende Inhalt
-        return;
+ */
-    }
+- (UIPrintInteractionController *) prepareController:(NSString *)content {
-    
     UIPrintInteractionController *controller = [UIPrintInteractionController sharedPrintController];
 
-    if (!controller){
-        return;
-    }
-    
-	if ([UIPrintInteractionController isPrintingAvailable]){        
     //Set the priner settings
     UIPrintInfo *printInfo    = [UIPrintInfo printInfo];
     printInfo.outputType      = UIPrintInfoOutputGeneral;
     controller.printInfo      = printInfo;
     controller.showsPageRange = YES;
 
-        
     //Set the base URL to be the www directory.
-        NSString *dbFilePath = [[NSBundle mainBundle] pathForResource:@"www" ofType:nil ];
+    NSString *wwwFilePath     = [[NSBundle mainBundle] pathForResource:@"www" ofType:nil ];
-        NSURL *baseURL = [NSURL fileURLWithPath:dbFilePath];
+    NSURL    *baseURL         = [NSURL fileURLWithPath:wwwFilePath];
 
     //Load page into a webview and use its formatter to print the page
     UIWebView *webViewPrint = [[UIWebView alloc] init];
-		[webViewPrint loadHTMLString:printHTML baseURL:baseURL];
+    [webViewPrint loadHTMLString:content baseURL:baseURL];
 
     //Get formatter for web (note: margin not required - done in web page)
     UIViewPrintFormatter *viewFormatter = [webViewPrint viewPrintFormatter];
     controller.printFormatter           = viewFormatter;
     controller.showsPageRange           = YES;
 
-        
+    return controller;
-		void (^completionHandler)(UIPrintInteractionController *, BOOL, NSError *) =
-		^(UIPrintInteractionController *printController, BOOL completed, NSError *error) {
-            if (!completed || error) {
-                [self callbackWithFuntion:self.failCallback withData:
-                    [NSString stringWithFormat:@"{success: false, available: true, error: \"%@\"}", error.localizedDescription]];
-                
-			}
-            else{
-                [self callbackWithFuntion:self.successCallback withData: @"{success: true, available: true}"];
-            }
-        };
-        
-        /*
-         If iPad, and if button offsets passed, then show dilalog originating from offset
-         */
-        if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad &&
-            dialogTopPos != 0 && dialogLeftPos != 0) {
-            [controller presentFromRect:CGRectMake(self.dialogLeftPos, self.dialogTopPos, 0, 0) inView:self.webView animated:YES completionHandler:completionHandler];
-        } else {
-            [controller presentAnimated:YES completionHandler:completionHandler];
-        }
-    }
 }
 
--(BOOL) isPrintServiceAvailable{
+/**
+ * Überprüft, ob der Drucker-Dienst verfügbar ist.
+ */
+- (BOOL) isPrintServiceAvailable {
+    Class printController = NSClassFromString(@"UIPrintInteractionController");
 
-    Class myClass = NSClassFromString(@"UIPrintInteractionController");
+    if (printController) {
-    if (myClass) {
         UIPrintInteractionController *controller = [UIPrintInteractionController sharedPrintController];
+
         return (controller != nil) && [UIPrintInteractionController isPrintingAvailable];
     }
 
@@ -138,16 +121,4 @@
     return NO;
 }
 
-#pragma mark -
-#pragma mark Return messages
-                 
--(void) callbackWithFuntion:(NSString *)function withData:(NSString *)value{
-    if (!function || [@"" isEqualToString:function]){
-        return;
-    }
-    
-    NSString* jsCallBack = [NSString stringWithFormat:@"%@(%@);", function, value];
-    [self writeJavascript: jsCallBack];
-}
-
 @end

www/printer.js

@@ -1,86 +1,46 @@
-
 /**
- * Printer Plugin
+ *  Printer.m
- * Copyright (c) 2011 Ian Tipton (github.com/itip)
+ *  Cordova Printer Plugin
- * MIT licensed
+ *
+ *  Created by Sebastian Katzer (github.com/katzer) on 10/08/2013.
+ *  Copyright 2013 Sebastian Katzer. All rights reserved.
+ *  GPL v2 licensed
  */
 
-var PrintPlugin = function() {
+var Printer = function () {
 
-}
+};
 
-PrintPlugin.prototype.callbackMap = {};
+Printer.prototype = {
-PrintPlugin.prototype.callbackIdx = 0;
+    /**
-
+     * Überprüft, ob der Drucker-Dienst verfügbar ist.
-/*
+     *
- print      - html string or DOM node (if latter, innerHTML is used to get the contents). REQUIRED.
+     * @param {Function} callback
- success    - callback function called if print successful.     {success: true}
+     * @return {Boolean}
- fail       - callback function called if print unsuccessful.  If print fails, {error: reason}. If printing not available: {available: false}
- options    -  {dialogOffset:{left: 0, right: 0}}. Position of popup dialog (iPad only).
      */
-PrintPlugin.prototype.print = function(printHTML, success, fail, options) {
+    isServiceAvailable: function (callback) {
-    if (typeof printHTML != 'string'){
+        cordova.exec(callback, null, 'Printer', 'isServiceAvailable', []);
-        console.log("Print function requires an HTML string. Not an object");
+    },
+
+    /**
+     * Übergibt den HTML-Content an den Drucker-Dienst.
+     *
+     * @param {String} content html string or DOM node (if latter, innerHTML is used to get the contents)
+     * @param {Function?} success callback function called if print successful. {success: true}
+     * @param {Function?} failure callback function called if print unsuccessful. If print fails, {error: reason}. If printing not available: {available: false}
+     */
+    print: function (content, success, failure) {
+        content = content.innerHTML || content;
+
+        if (typeof content != 'string') {
+            console.log('Print function requires an HTML string. Not an object');
             return;
         }
 
-
+        cordova.exec(success, failure, 'Printer', 'print', [content]);
-    //var printHTML = "";
-
-    var dialogLeftPos = 0;
-    var dialogTopPos = 0;
-
-
-    if (options){
-        if (options.dialogOffset){
-            if (options.dialogOffset.left){
-                dialogLeftPos = options.dialogOffset.left;
-                if (isNaN(dialogLeftPos)){
-                    dialogLeftPos = 0;
     }
-            }
-            if (options.dialogOffset.top){
-                dialogTopPos = options.dialogOffset.top;
-                if (isNaN(dialogTopPos)){
-                    dialogTopPos = 0;
-                }
-            }
-        }
-    }
-
-    var key = 'print' + this.callbackIdx++;
-    window.plugins.printPlugin.callbackMap[key] = {
-        success: function(result) {
-            delete window.plugins.printPlugin.callbackMap[key];
-            success(result);
-        },
-        fail: function(result) {
-            delete window.plugins.printPlugin.callbackMap[key];
-            fail(result);
-        }
-    };
-
-    var callbackPrefix = 'window.plugins.printPlugin.callbackMap.' + key;
-    return cordova.exec("PrintPlugin.print", printHTML, callbackPrefix + '.success', callbackPrefix + '.fail', dialogLeftPos, dialogTopPos);
 };
 
-/*
+var printer = new Printer();
- * Callback function returns {available: true/false}
- */
-PrintPlugin.prototype.isPrintingAvailable = function(callback) {
-    var key = 'isPrintingAvailable' + this.callbackIdx++;
-    window.plugins.printPlugin.callbackMap[key] = function(result) {
-        delete window.plugins.printPlugin.callbackMap[key];
-        callback(result);
-    };
 
-    var callbackName = 'window.plugins.printPlugin.callbackMap.' + key;
+module.exports = printer;
-    cordova.exec("PrintPlugin.isPrintingAvailable", callbackName);
-};
-
-cordova.addConstructor(function() {
-    if(!window.plugins){
-        window.plugins = {};
-    }
-    window.plugins.printPlugin = new PrintPlugin();
-});